A facile synthesis of 1??aryl??3??heteroaryl??1H??pyrazolo [3, 4??b] quinoxalines and related compounds with antifungal activitySynthesis of 1??Aryl??3??heteroaryl??1H?? …

Y Kurasawa, M Muramatsu, K Yamazaki…

文献索引：Kurasawa, Yoshihisa; Muramatsu, Muneto; Yamazaki, Kaoru; Tajima, Setsuko; Okamoto, Yoshihisa; Takada, Atsushi Journal of Heterocyclic Chemistry, 1986 ,  vol. 23, p. 1391 - 1394

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被引用次数: 15

摘要

(Chart) [2-61, wherein l-aryl-3-heteroaryl-1H-pyrazolo[3,4- blquinoxalines such as 3-(2,3-dihydro -4-methyl-3-thioxo- 4H-1,2,4-triazol-5-yl)-1-(o-chlorophenyl)-1H-pyrazo101[3,4b]- quinoxaline 2 have seldom appeared so far in literatures. In previous papers [7-91, we synthesized the flavazoles 1 (R = aryl, R' = H) and 2 from the quinoxalines 3 and 4, respectively, uia a facile preparation of the hydrazones 5 utilizing aryl diazonium salts. However, the starting mate- rial 4 was ...